MCQs Biology F.Sc. Part 2 ( 2nd Year )
Chapter No.17
Coordination and Control
Total MCQs = 219
All MCQs taken from Old MDCAT Tests
61. In which portion of the spinal cord do the interneurons lie?
(A) Cervical enlargement
(B) Lumbar enlargement
(C) Gray matter
(D) White matter
Answer:
(C) Gray matter
62. The embryonic hindbrain gives rise to which structures in the brain?
(A) Cerebrum and basal ganglia
(B) Diencephalon
(C) Midbrain
(D) Cerebellum, pons and medulla oblongata
Answer:
(D) Cerebellum, pons and medulla oblongata
63. Which portion of the brain maintains homeostasis by linking activities of the endocrine and nervous system together?
(A) Thalamus
(B) Hypotalamus
(C) Pons
(D) Medulla oblongata
Answer:
(B) Hypotalamus
64. Which of these nuclei is not located entirely within the medulla oblongata?
(A) Cardiac center
(B) Respiratory center
(C) Vasomotor center
(D) Reticular formation
Answer:
(D) Reticular formation
65. Which structures would not be innervated by the sympathetic nervous system?
(A) Skeletal muscles
(B) Glands
(C) Smooth muscles
(D) Cardiac muscles
Answer:
(A) Skeletal muscles
66. Which term should be last in the reflex sequence?
(A) Sensory neuron
(B) Motor neuron
(C) Effector
(D) Receptor
Answer:
(C) Effector
67. Parkinson disease tremors are the result of which condition?
(A) Dopamine excess
(B) Norepinephrine deficiency
(C) Epinephrine excess
(D) Dopamine deficiency
Answer:
(D) Dopamine deficiency
68. The centers for thermoregulation, osmoregulation, are located in:
(A) Thalamus
(B) Hypothalamus
(C) Amygdala
(D) Hippocampus
Answer:
(B) Hypothalamus
69. Which brain area acts to screen all incoming sensory data?
(A) Thalamus
(B) Hypothalamus
(C) Cerebral cortex
(D) Cerebellum
Answer:
(A) Thalamus
70. Which brain area coordinates skeletal muscle movements?
(A) Thalamus
(B) Hypothalamus
(C) Amygdala
(D) Cerbellum
Answer:
(D) Cerbellum
